material set limit to of ill other people " the standard is interior decoration decorates what material enters the market only " admittance standard " , it is the mainest quality demand,wood sheets for outdoor this standard did not enter short of the qualification of the market, the requirement of product of environmental protection of green of and rather than. Technology of product of green environment mark asks ability is to be in what high demand

falls to recommend a level. Can say, former those who make clear is the attention with healthy to the public country, latter is to give the public more ample safe space, it is the attestation composite white picket fencing standard of green product. At the same time summerly professor expresses, the standard of product of green environmental protection should father more than quality standard, e.g. , national level asks to coating of ability in swimming, content of

this kind of harmful material must not exceed the Voc in 1 litre of coating 200 grams, but requirement of environmental mark standard must not exceed 100 grams. Generally speaking, plywood tongue and groove ceiling there is 10% only in the product that reachs level of national product quality, 30% obtain an environment to indicate likely, and the environment indicates the criterion for evaluation of the product always produces a standard as the enterprise rise and